Cast[]
- SpongeBob SquarePants - The Boss Baby
- Patrick Star - Yogi Bear
- Squidward Tentacles - Bert (Sesame Street)
- Mr. Krabs - Del (Playmobil: The Movie)
- Plankton - Oscar the Grouch (Sesame Street)
- Karen - Mavis (Thomas and Friends)
- Sandy Cheeks - Staci (The Boss Baby)
- Mrs. Puff - Marla (Playmobil: The Movie)
- Gary the Snail - Jess (Postman Pat)
- Perch Perkins - Dash (PBS Kids)
- King Neptune - Igor (Count Duckula)
- Mindy - Nanny (Count Duckula)
- Squire - Count Duckula (I Sharing with Disney and Sega)
- Dennis - Hacker (Cyberchase)
- Goofy Goober - Diego (Dora the Explorer)
- Waiter - Arthur Read
- Gas Station Hillbillies - Ren and Stimpy
- Victor the Thug Leader - Satan (South Park)
- The Tub Thugs - Themselves
- Siamese Twin Fish - Bill and Ben
- Frogfish - Stan's Evil Clone (South Park)
- Cyclops - Diesel 10 (Thomas and Friends)
- Alexander Clam Bell - Itself
- Sea Animals of Shell City - Baldi's Basics in Education and Learning Characters
- David Hasselhoff - Woody (Toy Story)
- Pirates - The Machines (Bob the Builder)
- Captain Bart - Bob the Builder and Wendy
- The Parrot - Pilchard (Bob the Builder)
- Phil - Ralph (Wreck it Ralph)
- Royal Crown Polisher - James (Thomas and Friends)
- Car Jacker - Diesel (Thomas and Friends)
- Old Lady - General Mayhen (The Lego Movie 2)
- Goofy Goober Clock - Hooper (PBS Kids)
- Trench Monsters - Nick Jr. Characters
- King Neptune's Horse - Peter and Chris (Family Guy)
- Fred - Rex Dasher (Playmobil: The Movie)
- Jimmy - Pooh Bear
- Mable - Stan Marsh (South Park)
- Female Fish - Miss Spider
- Giant Eel - Marlin (Finding Nemo)
- Evelyn - Itself
- Fisherman - Big Bird (Sesame Street)
- Fish - Fleegle (The Banana Splits)
- Sandals - Ted The Teddy Bear
- Harold - Danny Dog (Peppa Pig)
- Clay - Barney
- Squid - Paddington
- Bikini Bottomites - Various Characters
- Usher (after the end credits) - Twilight Sparkle